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  <div class="headertitle"><div class="title">IpPDSearchDirCalc.hpp</div></div>
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<a href="IpPDSearchDirCalc_8hpp.html">Go to the documentation of this file.</a><div class="fragment"><div class="line"><a id="l00001" name="l00001"></a><span class="lineno">    1</span><span class="comment">// Copyright (C) 2005, 2009 International Business Machines and others.</span></div>
<div class="line"><a id="l00002" name="l00002"></a><span class="lineno">    2</span><span class="comment">// All Rights Reserved.</span></div>
<div class="line"><a id="l00003" name="l00003"></a><span class="lineno">    3</span><span class="comment">// This code is published under the Eclipse Public License.</span></div>
<div class="line"><a id="l00004" name="l00004"></a><span class="lineno">    4</span><span class="comment">//</span></div>
<div class="line"><a id="l00005" name="l00005"></a><span class="lineno">    5</span><span class="comment">// Authors:  Andreas Waechter            IBM    2005-10-13</span></div>
<div class="line"><a id="l00006" name="l00006"></a><span class="lineno">    6</span> </div>
<div class="line"><a id="l00007" name="l00007"></a><span class="lineno">    7</span><span class="preprocessor">#ifndef __IPPDSEARCHDIRCALC_HPP__</span></div>
<div class="line"><a id="l00008" name="l00008"></a><span class="lineno">    8</span><span class="preprocessor">#define __IPPDSEARCHDIRCALC_HPP__</span></div>
<div class="line"><a id="l00009" name="l00009"></a><span class="lineno">    9</span> </div>
<div class="line"><a id="l00010" name="l00010"></a><span class="lineno">   10</span><span class="preprocessor">#include &quot;<a class="code" href="IpSearchDirCalculator_8hpp.html">IpSearchDirCalculator.hpp</a>&quot;</span></div>
<div class="line"><a id="l00011" name="l00011"></a><span class="lineno">   11</span><span class="preprocessor">#include &quot;<a class="code" href="IpPDSystemSolver_8hpp.html">IpPDSystemSolver.hpp</a>&quot;</span></div>
<div class="line"><a id="l00012" name="l00012"></a><span class="lineno">   12</span> </div>
<div class="line"><a id="l00013" name="l00013"></a><span class="lineno">   13</span><span class="keyword">namespace </span><a class="code hl_namespace" href="namespaceIpopt.html">Ipopt</a></div>
<div class="line"><a id="l00014" name="l00014"></a><span class="lineno">   14</span>{</div>
<div class="line"><a id="l00015" name="l00015"></a><span class="lineno">   15</span> </div>
<div class="foldopen" id="foldopen00019" data-start="{" data-end="};">
<div class="line"><a id="l00019" name="l00019"></a><span class="lineno"><a class="line" href="classIpopt_1_1PDSearchDirCalculator.html">   19</a></span><span class="keyword">class </span><a class="code hl_define" href="config__default_8h.html#a58bb5c104ee5ff44b7175fc992d89b0b">IPOPTLIB_EXPORT</a> <a class="code hl_class" href="classIpopt_1_1PDSearchDirCalculator.html">PDSearchDirCalculator</a>: <span class="keyword">public</span> <a class="code hl_class" href="classIpopt_1_1SearchDirectionCalculator.html">SearchDirectionCalculator</a></div>
<div class="line"><a id="l00020" name="l00020"></a><span class="lineno">   20</span>{</div>
<div class="line"><a id="l00021" name="l00021"></a><span class="lineno">   21</span><span class="keyword">public</span>:</div>
<div class="line"><a id="l00024" name="l00024"></a><span class="lineno">   24</span> </div>
<div class="line"><a id="l00025" name="l00025"></a><span class="lineno"><a class="line" href="classIpopt_1_1PDSearchDirCalculator.html#aef721b29134f363aae86f6c059251ed1">   25</a></span>   <a class="code hl_function" href="classIpopt_1_1PDSearchDirCalculator.html#aef721b29134f363aae86f6c059251ed1">PDSearchDirCalculator</a>(</div>
<div class="line"><a id="l00026" name="l00026"></a><span class="lineno">   26</span>      <span class="keyword">const</span> <a class="code hl_class" href="classIpopt_1_1SmartPtr.html">SmartPtr&lt;PDSystemSolver&gt;</a>&amp; pd_solver</div>
<div class="line"><a id="l00027" name="l00027"></a><span class="lineno">   27</span>   );</div>
<div class="line"><a id="l00028" name="l00028"></a><span class="lineno">   28</span> </div>
<div class="line"><a id="l00030" name="l00030"></a><span class="lineno"><a class="line" href="classIpopt_1_1PDSearchDirCalculator.html#a8a14cb25338a0b01a427a047a8571652">   30</a></span>   <span class="keyword">virtual</span> <a class="code hl_function" href="classIpopt_1_1PDSearchDirCalculator.html#a8a14cb25338a0b01a427a047a8571652">~PDSearchDirCalculator</a>();</div>
<div class="line"><a id="l00032" name="l00032"></a><span class="lineno">   32</span> </div>
<div class="line"><a id="l00034" name="l00034"></a><span class="lineno"><a class="line" href="classIpopt_1_1PDSearchDirCalculator.html#a25b49874d3863a95e529a912d1eee128">   34</a></span>   <span class="keyword">virtual</span> <span class="keywordtype">bool</span> <a class="code hl_function" href="classIpopt_1_1PDSearchDirCalculator.html#a25b49874d3863a95e529a912d1eee128">InitializeImpl</a>(</div>
<div class="line"><a id="l00035" name="l00035"></a><span class="lineno">   35</span>      <span class="keyword">const</span> <a class="code hl_class" href="classIpopt_1_1OptionsList.html">OptionsList</a>&amp; options,</div>
<div class="line"><a id="l00036" name="l00036"></a><span class="lineno">   36</span>      <span class="keyword">const</span> std::string&amp; prefix</div>
<div class="line"><a id="l00037" name="l00037"></a><span class="lineno">   37</span>   );</div>
<div class="line"><a id="l00038" name="l00038"></a><span class="lineno">   38</span> </div>
<div class="line"><a id="l00043" name="l00043"></a><span class="lineno"><a class="line" href="classIpopt_1_1PDSearchDirCalculator.html#a70ed71fe20bad40db2f323222b434a39">   43</a></span>   <span class="keyword">virtual</span> <span class="keywordtype">bool</span> <a class="code hl_function" href="classIpopt_1_1PDSearchDirCalculator.html#a70ed71fe20bad40db2f323222b434a39">ComputeSearchDirection</a>();</div>
<div class="line"><a id="l00044" name="l00044"></a><span class="lineno">   44</span> </div>
<div class="line"><a id="l00045" name="l00045"></a><span class="lineno"><a class="line" href="classIpopt_1_1PDSearchDirCalculator.html#a7d20d557c24eafe7ceec21946121044d">   45</a></span>   <span class="keyword">static</span> <span class="keywordtype">void</span> <a class="code hl_function" href="classIpopt_1_1PDSearchDirCalculator.html#a7d20d557c24eafe7ceec21946121044d">RegisterOptions</a>(</div>
<div class="line"><a id="l00046" name="l00046"></a><span class="lineno">   46</span>      <span class="keyword">const</span> <a class="code hl_class" href="classIpopt_1_1SmartPtr.html">SmartPtr&lt;RegisteredOptions&gt;</a>&amp; roptions</div>
<div class="line"><a id="l00047" name="l00047"></a><span class="lineno">   47</span>   );</div>
<div class="line"><a id="l00048" name="l00048"></a><span class="lineno">   48</span> </div>
<div class="foldopen" id="foldopen00050" data-start="{" data-end="}">
<div class="line"><a id="l00050" name="l00050"></a><span class="lineno"><a class="line" href="classIpopt_1_1PDSearchDirCalculator.html#a3e99961ac0f80d489e4d611e3d9ae62e">   50</a></span>   <a class="code hl_class" href="classIpopt_1_1SmartPtr.html">SmartPtr&lt;PDSystemSolver&gt;</a> <a class="code hl_function" href="classIpopt_1_1PDSearchDirCalculator.html#a3e99961ac0f80d489e4d611e3d9ae62e">PDSolver</a>()</div>
<div class="line"><a id="l00051" name="l00051"></a><span class="lineno">   51</span>   {</div>
<div class="line"><a id="l00052" name="l00052"></a><span class="lineno">   52</span>      <span class="keywordflow">return</span> pd_solver_;</div>
<div class="line"><a id="l00053" name="l00053"></a><span class="lineno">   53</span>   }</div>
</div>
<div class="line"><a id="l00054" name="l00054"></a><span class="lineno">   54</span> </div>
<div class="line"><a id="l00055" name="l00055"></a><span class="lineno">   55</span><span class="keyword">private</span>:</div>
<div class="line"><a id="l00066" name="l00066"></a><span class="lineno">   66</span> </div>
<div class="line"><a id="l00067" name="l00067"></a><span class="lineno"><a class="line" href="classIpopt_1_1PDSearchDirCalculator.html#a661f6281a15d49246632bddd11f69bb6">   67</a></span>   <a class="code hl_function" href="classIpopt_1_1PDSearchDirCalculator.html#a661f6281a15d49246632bddd11f69bb6">PDSearchDirCalculator</a>();</div>
<div class="line"><a id="l00068" name="l00068"></a><span class="lineno">   68</span> </div>
<div class="line"><a id="l00070" name="l00070"></a><span class="lineno"><a class="line" href="classIpopt_1_1PDSearchDirCalculator.html#acf54b283c5d97a3e41430d89090e4008">   70</a></span>   <a class="code hl_function" href="classIpopt_1_1PDSearchDirCalculator.html#acf54b283c5d97a3e41430d89090e4008">PDSearchDirCalculator</a>(</div>
<div class="line"><a id="l00071" name="l00071"></a><span class="lineno">   71</span>      <span class="keyword">const</span> <a class="code hl_class" href="classIpopt_1_1PDSearchDirCalculator.html">PDSearchDirCalculator</a>&amp;</div>
<div class="line"><a id="l00072" name="l00072"></a><span class="lineno">   72</span>   );</div>
<div class="line"><a id="l00073" name="l00073"></a><span class="lineno">   73</span> </div>
<div class="line"><a id="l00075" name="l00075"></a><span class="lineno"><a class="line" href="classIpopt_1_1PDSearchDirCalculator.html#a1e83352a25d0248c29cf774219eb0bf4">   75</a></span>   <span class="keywordtype">void</span> <a class="code hl_function" href="classIpopt_1_1PDSearchDirCalculator.html#a1e83352a25d0248c29cf774219eb0bf4">operator=</a>(</div>
<div class="line"><a id="l00076" name="l00076"></a><span class="lineno">   76</span>      <span class="keyword">const</span> <a class="code hl_class" href="classIpopt_1_1PDSearchDirCalculator.html">PDSearchDirCalculator</a>&amp;</div>
<div class="line"><a id="l00077" name="l00077"></a><span class="lineno">   77</span>   );</div>
<div class="line"><a id="l00079" name="l00079"></a><span class="lineno">   79</span> </div>
<div class="line"><a id="l00082" name="l00082"></a><span class="lineno"><a class="line" href="classIpopt_1_1PDSearchDirCalculator.html#af6f72ce0db3036ad781f3c0c0ab74963">   82</a></span>   <a class="code hl_class" href="classIpopt_1_1SmartPtr.html">SmartPtr&lt;PDSystemSolver&gt;</a> <a class="code hl_variable" href="classIpopt_1_1PDSearchDirCalculator.html#af6f72ce0db3036ad781f3c0c0ab74963">pd_solver_</a>;</div>
<div class="line"><a id="l00084" name="l00084"></a><span class="lineno">   84</span> </div>
<div class="line"><a id="l00087" name="l00087"></a><span class="lineno">   87</span> </div>
<div class="line"><a id="l00090" name="l00090"></a><span class="lineno"><a class="line" href="classIpopt_1_1PDSearchDirCalculator.html#aa4b63924d8763e2d9cdf10c369baa8dc">   90</a></span>   <span class="keywordtype">bool</span> <a class="code hl_variable" href="classIpopt_1_1PDSearchDirCalculator.html#aa4b63924d8763e2d9cdf10c369baa8dc">fast_step_computation_</a>;</div>
<div class="line"><a id="l00091" name="l00091"></a><span class="lineno">   91</span> </div>
<div class="line"><a id="l00097" name="l00097"></a><span class="lineno"><a class="line" href="classIpopt_1_1PDSearchDirCalculator.html#a83ffb29ab552bac9a040ee4085a1b71f">   97</a></span>   <span class="keywordtype">bool</span> <a class="code hl_variable" href="classIpopt_1_1PDSearchDirCalculator.html#a83ffb29ab552bac9a040ee4085a1b71f">mehrotra_algorithm_</a>;</div>
<div class="line"><a id="l00099" name="l00099"></a><span class="lineno">   99</span> </div>
<div class="line"><a id="l00100" name="l00100"></a><span class="lineno">  100</span>};</div>
</div>
<div class="line"><a id="l00101" name="l00101"></a><span class="lineno">  101</span> </div>
<div class="line"><a id="l00102" name="l00102"></a><span class="lineno">  102</span>} <span class="comment">// namespace Ipopt</span></div>
<div class="line"><a id="l00103" name="l00103"></a><span class="lineno">  103</span> </div>
<div class="line"><a id="l00104" name="l00104"></a><span class="lineno">  104</span><span class="preprocessor">#endif</span></div>
<div class="ttc" id="aIpPDSystemSolver_8hpp_html"><div class="ttname"><a href="IpPDSystemSolver_8hpp.html">IpPDSystemSolver.hpp</a></div></div>
<div class="ttc" id="aIpSearchDirCalculator_8hpp_html"><div class="ttname"><a href="IpSearchDirCalculator_8hpp.html">IpSearchDirCalculator.hpp</a></div></div>
<div class="ttc" id="aclassIpopt_1_1OptionsList_html"><div class="ttname"><a href="classIpopt_1_1OptionsList.html">Ipopt::OptionsList</a></div><div class="ttdoc">This class stores a list of user set options.</div><div class="ttdef"><b>Definition</b> <a href="IpOptionsList_8hpp_source.html#l00032">IpOptionsList.hpp:33</a></div></div>
<div class="ttc" id="aclassIpopt_1_1PDSearchDirCalculator_html"><div class="ttname"><a href="classIpopt_1_1PDSearchDirCalculator.html">Ipopt::PDSearchDirCalculator</a></div><div class="ttdoc">Implementation of the search direction calculator that computes the pure primal dual step for the cur...</div><div class="ttdef"><b>Definition</b> <a href="IpPDSearchDirCalc_8hpp_source.html#l00019">IpPDSearchDirCalc.hpp:20</a></div></div>
<div class="ttc" id="aclassIpopt_1_1PDSearchDirCalculator_html_a1e83352a25d0248c29cf774219eb0bf4"><div class="ttname"><a href="classIpopt_1_1PDSearchDirCalculator.html#a1e83352a25d0248c29cf774219eb0bf4">Ipopt::PDSearchDirCalculator::operator=</a></div><div class="ttdeci">void operator=(const PDSearchDirCalculator &amp;)</div><div class="ttdoc">Default Assignment Operator.</div></div>
<div class="ttc" id="aclassIpopt_1_1PDSearchDirCalculator_html_a25b49874d3863a95e529a912d1eee128"><div class="ttname"><a href="classIpopt_1_1PDSearchDirCalculator.html#a25b49874d3863a95e529a912d1eee128">Ipopt::PDSearchDirCalculator::InitializeImpl</a></div><div class="ttdeci">virtual bool InitializeImpl(const OptionsList &amp;options, const std::string &amp;prefix)</div><div class="ttdoc">overloaded from AlgorithmStrategyObject</div></div>
<div class="ttc" id="aclassIpopt_1_1PDSearchDirCalculator_html_a3e99961ac0f80d489e4d611e3d9ae62e"><div class="ttname"><a href="classIpopt_1_1PDSearchDirCalculator.html#a3e99961ac0f80d489e4d611e3d9ae62e">Ipopt::PDSearchDirCalculator::PDSolver</a></div><div class="ttdeci">SmartPtr&lt; PDSystemSolver &gt; PDSolver()</div><div class="ttdoc">Returns the pd_solver for additional processing.</div><div class="ttdef"><b>Definition</b> <a href="IpPDSearchDirCalc_8hpp_source.html#l00050">IpPDSearchDirCalc.hpp:50</a></div></div>
<div class="ttc" id="aclassIpopt_1_1PDSearchDirCalculator_html_a661f6281a15d49246632bddd11f69bb6"><div class="ttname"><a href="classIpopt_1_1PDSearchDirCalculator.html#a661f6281a15d49246632bddd11f69bb6">Ipopt::PDSearchDirCalculator::PDSearchDirCalculator</a></div><div class="ttdeci">PDSearchDirCalculator()</div><div class="ttdoc">Default Constructor.</div></div>
<div class="ttc" id="aclassIpopt_1_1PDSearchDirCalculator_html_a70ed71fe20bad40db2f323222b434a39"><div class="ttname"><a href="classIpopt_1_1PDSearchDirCalculator.html#a70ed71fe20bad40db2f323222b434a39">Ipopt::PDSearchDirCalculator::ComputeSearchDirection</a></div><div class="ttdeci">virtual bool ComputeSearchDirection()</div><div class="ttdoc">Method for computing the search direction.</div></div>
<div class="ttc" id="aclassIpopt_1_1PDSearchDirCalculator_html_a7d20d557c24eafe7ceec21946121044d"><div class="ttname"><a href="classIpopt_1_1PDSearchDirCalculator.html#a7d20d557c24eafe7ceec21946121044d">Ipopt::PDSearchDirCalculator::RegisterOptions</a></div><div class="ttdeci">static void RegisterOptions(const SmartPtr&lt; RegisteredOptions &gt; &amp;roptions)</div></div>
<div class="ttc" id="aclassIpopt_1_1PDSearchDirCalculator_html_a83ffb29ab552bac9a040ee4085a1b71f"><div class="ttname"><a href="classIpopt_1_1PDSearchDirCalculator.html#a83ffb29ab552bac9a040ee4085a1b71f">Ipopt::PDSearchDirCalculator::mehrotra_algorithm_</a></div><div class="ttdeci">bool mehrotra_algorithm_</div><div class="ttdoc">Flag indicating if we want to do Mehrotras's algorithm.</div><div class="ttdef"><b>Definition</b> <a href="IpPDSearchDirCalc_8hpp_source.html#l00097">IpPDSearchDirCalc.hpp:97</a></div></div>
<div class="ttc" id="aclassIpopt_1_1PDSearchDirCalculator_html_a8a14cb25338a0b01a427a047a8571652"><div class="ttname"><a href="classIpopt_1_1PDSearchDirCalculator.html#a8a14cb25338a0b01a427a047a8571652">Ipopt::PDSearchDirCalculator::~PDSearchDirCalculator</a></div><div class="ttdeci">virtual ~PDSearchDirCalculator()</div><div class="ttdoc">Destructor.</div></div>
<div class="ttc" id="aclassIpopt_1_1PDSearchDirCalculator_html_aa4b63924d8763e2d9cdf10c369baa8dc"><div class="ttname"><a href="classIpopt_1_1PDSearchDirCalculator.html#aa4b63924d8763e2d9cdf10c369baa8dc">Ipopt::PDSearchDirCalculator::fast_step_computation_</a></div><div class="ttdeci">bool fast_step_computation_</div><div class="ttdoc">Flag indicating that we trust that the steps from the linear solver are very good and that we don't n...</div><div class="ttdef"><b>Definition</b> <a href="IpPDSearchDirCalc_8hpp_source.html#l00090">IpPDSearchDirCalc.hpp:90</a></div></div>
<div class="ttc" id="aclassIpopt_1_1PDSearchDirCalculator_html_acf54b283c5d97a3e41430d89090e4008"><div class="ttname"><a href="classIpopt_1_1PDSearchDirCalculator.html#acf54b283c5d97a3e41430d89090e4008">Ipopt::PDSearchDirCalculator::PDSearchDirCalculator</a></div><div class="ttdeci">PDSearchDirCalculator(const PDSearchDirCalculator &amp;)</div><div class="ttdoc">Copy Constructor.</div></div>
<div class="ttc" id="aclassIpopt_1_1PDSearchDirCalculator_html_aef721b29134f363aae86f6c059251ed1"><div class="ttname"><a href="classIpopt_1_1PDSearchDirCalculator.html#aef721b29134f363aae86f6c059251ed1">Ipopt::PDSearchDirCalculator::PDSearchDirCalculator</a></div><div class="ttdeci">PDSearchDirCalculator(const SmartPtr&lt; PDSystemSolver &gt; &amp;pd_solver)</div><div class="ttdoc">Constructor.</div></div>
<div class="ttc" id="aclassIpopt_1_1PDSearchDirCalculator_html_af6f72ce0db3036ad781f3c0c0ab74963"><div class="ttname"><a href="classIpopt_1_1PDSearchDirCalculator.html#af6f72ce0db3036ad781f3c0c0ab74963">Ipopt::PDSearchDirCalculator::pd_solver_</a></div><div class="ttdeci">SmartPtr&lt; PDSystemSolver &gt; pd_solver_</div><div class="ttdef"><b>Definition</b> <a href="IpPDSearchDirCalc_8hpp_source.html#l00082">IpPDSearchDirCalc.hpp:82</a></div></div>
<div class="ttc" id="aclassIpopt_1_1SearchDirectionCalculator_html"><div class="ttname"><a href="classIpopt_1_1SearchDirectionCalculator.html">Ipopt::SearchDirectionCalculator</a></div><div class="ttdoc">Base class for computing the search direction for the line search.</div><div class="ttdef"><b>Definition</b> <a href="IpSearchDirCalculator_8hpp_source.html#l00018">IpSearchDirCalculator.hpp:19</a></div></div>
<div class="ttc" id="aclassIpopt_1_1SmartPtr_html"><div class="ttname"><a href="classIpopt_1_1SmartPtr.html">Ipopt::SmartPtr</a></div><div class="ttdoc">Template class for Smart Pointers.</div><div class="ttdef"><b>Definition</b> <a href="IpSmartPtr_8hpp_source.html#l00164">IpSmartPtr.hpp:165</a></div></div>
<div class="ttc" id="aconfig__default_8h_html_a58bb5c104ee5ff44b7175fc992d89b0b"><div class="ttname"><a href="config__default_8h.html#a58bb5c104ee5ff44b7175fc992d89b0b">IPOPTLIB_EXPORT</a></div><div class="ttdeci">#define IPOPTLIB_EXPORT</div><div class="ttdef"><b>Definition</b> <a href="config__default_8h_source.html#l00010">config_default.h:10</a></div></div>
<div class="ttc" id="anamespaceIpopt_html"><div class="ttname"><a href="namespaceIpopt.html">Ipopt</a></div><div class="ttdoc">This file contains a base class for all exceptions and a set of macros to help with exceptions.</div><div class="ttdef"><b>Definition</b> <a href="IpInexactAlgBuilder_8hpp_source.html#l00013">IpInexactAlgBuilder.hpp:14</a></div></div>
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